#0A0434#0A0434

#0A0434 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.8% C 0.089 H 277.9°. Best body text is #FFFFFF at 19.45:1 contrast (WCAG AA passes).

Color values

HEX	#0A0434
RGB	rgb(10, 4, 52)
HSL	hsl(248, 86%, 11%)
HSV	hsv(248, 92%, 20%)
CMYK	cmyk(80.8%, 92.3%, 0%, 79.6%)
CIE-LAB	lab(3.61, 16.74, -28.45)
CIE-LCH	lch(3.61, 33.01, 300.48°)
OKLab	oklab(16.84% 0.0122 -0.0882)
OKLCH	oklch(16.84% 0.089 277.9)
XYZ	xyz(0.7882, 0.3992, 3.2837)
Luminance	0.0040 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0434 #2E3404

analogous

#041634 #0A0434 #220434

triadic

#0A0434 #340A04 #04340A

tetradic

#0A0434 #340416 #2E3404 #043422

square

#0A0434 #340416 #2E3404 #043422

split-complementary

#0A0434 #342204 #163404

monochromatic

#05021C #05021C #0A0434 #15086D #200DA6

Accessibility & contrast

On white

19.45

#0A0434 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#0A0434 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0434

19.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0434	#FFFFFF	#000000	##FFFFFF
##0A0434	1.00	19.45	1.08	19.45
#FFFFFF	19.45	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F35

Deuteranopia (green-blind)

#000B33

Tritanopia (blue-blind)

#00121C

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #0a0434;
/* rgb */ color: rgb(10, 4, 52);
/* oklch */ color: oklch(16.8% 0.089 277.9);

Tailwind

colors: {
  custom: {
    50: '#4f486c',
    500: '#0a0434',
    950: '#000000',
  },
}

SCSS

$custom: #0a0434;
$custom-light: #4f486c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0434",
  "rgb": {
    "r": 10,
    "g": 4,
    "b": 52
  },
  "hsl": {
    "h": 247.5,
    "s": 85.714,
    "l": 10.98
  },
  "oklch": {
    "l": 0.16843,
    "c": 0.08903,
    "h": 277.9
  },
  "luminance": 0.00399
}

Semantic roles & 50–950 ramp

primary

#0A0434

secondary

#6B761E

accent

#FC2CE2

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020007

muted

#78777A

Preview Lab

Preview with #0A0434

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →